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21 lines
670 B
21 lines
670 B
4 months ago
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; Test that lib call simplification doesn't simplify __memset_chk calls
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; with the wrong prototype.
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;
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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%struct.T = type { [100 x i32], [100 x i32], [1024 x i8] }
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@t = common global %struct.T zeroinitializer
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define void @test_no_simplify() {
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; CHECK-LABEL: @test_no_simplify(
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%dst = bitcast %struct.T* @t to i8*
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; CHECK-NEXT: call i8* @__memset_chk
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call i8* @__memset_chk(i8* %dst, i32 0, i64 1824)
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ret void
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}
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declare i8* @__memset_chk(i8*, i32, i64)
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